Files with these naming patterns are usually distributed on adult forums, imageboards, or specialized gaming sites. They often involve fetish-themed roleplay or "choose your own adventure" mechanics.
If you have already downloaded this, it is highly recommended to run it through a malware scanner (like VirusTotal) before extracting or executing any contents. General Characteristics Sissy_Adventure_25.zip
Usually contains an .exe (if it's a standalone game) or a set of script files (if it's a mod for a base game engine like Ren'Py). Files with these naming patterns are usually distributed